﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using jnagr.DBUtility;//Please add references
namespace jnagr.DAL
{
	/// <summary>
	/// 数据访问类:infore
	/// </summary>
	public partial class infore
	{
		public infore()
		{}
		#region  BasicMethod



		/// <summary>
		/// 增加一条数据
		/// </summary>
		public bool Add(jnagr.Model.infore model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into infore(");
			strSql.Append("iid,uid,isread)");
			strSql.Append(" values (");
			strSql.Append("@iid,@uid,@isread)");
			SqlParameter[] parameters = {
					new SqlParameter("@iid", SqlDbType.Int,4),
					new SqlParameter("@uid", SqlDbType.Int,4),
					new SqlParameter("@isread", SqlDbType.Int,4)};
			parameters[0].Value = model.iid;
			parameters[1].Value = model.uid;
			parameters[2].Value = model.isread;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
        public bool Updateread(int iid,int uid)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update infore set ");
            strSql.Append("isread=1 ");
            strSql.Append("where iid=@iid and uid=@uid");            
            SqlParameter[] parameters = {
					new SqlParameter("@iid", SqlDbType.Int,4),
					new SqlParameter("@uid", SqlDbType.Int,4)
					};
            parameters[0].Value = iid;
            parameters[1].Value = uid;            
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(jnagr.Model.infore model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update infore set ");
			strSql.Append("iid=@iid,");
			strSql.Append("uid=@uid,");
			strSql.Append("isread=@isread");
			strSql.Append(" where ");
			SqlParameter[] parameters = {
					new SqlParameter("@iid", SqlDbType.Int,4),
					new SqlParameter("@uid", SqlDbType.Int,4),
					new SqlParameter("@isread", SqlDbType.Int,4)};
			parameters[0].Value = model.iid;
			parameters[1].Value = model.uid;
			parameters[2].Value = model.isread;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int iid)
		{
			//该表无主键信息，请自定义主键/条件字段
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from infore ");
			strSql.Append(" where iid=@iid");
			SqlParameter[] parameters = {
                                            new SqlParameter("@iid", SqlDbType.Int,4)
			};
            parameters[0].Value = iid;
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public jnagr.Model.infore GetModel()
		{
			//该表无主键信息，请自定义主键/条件字段
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 iid,uid,isread from infore ");
			strSql.Append(" where ");
			SqlParameter[] parameters = {
			};

			jnagr.Model.infore model=new jnagr.Model.infore();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				return DataRowToModel(ds.Tables[0].Rows[0]);
			}
			else
			{
				return null;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public jnagr.Model.infore DataRowToModel(DataRow row)
		{
			jnagr.Model.infore model=new jnagr.Model.infore();
			if (row != null)
			{
				if(row["iid"]!=null && row["iid"].ToString()!="")
				{
					model.iid=int.Parse(row["iid"].ToString());
				}
				if(row["uid"]!=null && row["uid"].ToString()!="")
				{
					model.uid=int.Parse(row["uid"].ToString());
				}
				if(row["isread"]!=null && row["isread"].ToString()!="")
				{
					model.isread=int.Parse(row["isread"].ToString());
				}
			}
			return model;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select iid,uid,isread ");
			strSql.Append(" FROM infore ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" iid,uid,isread ");
			strSql.Append(" FROM infore ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM infore ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T. desc");
			}
			strSql.Append(")AS Row, T.*  from infore T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "infore";
			parameters[1].Value = "";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  BasicMethod
		#region  ExtensionMethod

		#endregion  ExtensionMethod
	}
}

